Exam 8: The Structure of Atoms and Periodic Trends

A) 2s²
B) 3d⁶
C) 1s²
D) 4p³
E) 3d¹²

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Elements with unpaired electrons are par...

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A) 1 only
B) 2 only
C) 3 only
D) 1 and 2
E) 2 and 3

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A) They decrease down a group and remain constant across a period.
B) They decrease down a group and increase across a period.
C) They increase down a group and increase across a period.
D) They increase down a group and remain constant across a period.
E) They increase down a group and decrease across a period.

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A) Cl^-
B) P
C) K^-
D) Br^-
E) Ca²⁺

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Oxygen has a 1s²2s²2p⁴ electron configurati...

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A) Ni
B) Fe
C) Zn
D) Mn
E) Cu

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A) n = 1, $\ell$ = 1, $m _ { \ell }$ = -1, m_s = +1/2
B) n = 4, $\ell$ = 2, $m _ { \ell }$ = -1, m_s = -1/2
C) n = 5, $\ell$ = 2, $m _ { \ell }$ = -2, m_s = +1/2
D) n = 5, $\ell$ = 0, $m _ { \ell }$ = 0, m_s = -1/2
E) n = 5, $\ell$ = 1, $m _ { \ell }$ = -1, m_s = +1/2

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A) 1
B) 2
C) 6
D) 10
E) 14

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A) 4+
B) 2+
C) 1-
D) 2-
E) 3-

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A) Be
B) O
C) Li
D) Si
E) N

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A) [Kr]4d¹⁰5s²
B) [Kr]4d¹⁰5p²
C) [Kr]5s²
D) [Kr]4d¹⁰5s²5p²
E) [Kr]4d¹⁰5s²5p⁴

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A) Be(g) → Be⁺(g) + e^-
B) Be(s) → Be⁺(s) + e^-
C) Be(s) → Be⁺(g) + e^-
D) Be(g) → Be²⁺(g) + 2e^-
E) Be(s) + e^- → Be^-(s)

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A) $1 s ^ { 2 } 2 s ^ { 2 } 2 p ^ { 6 }$
B) $1 s ^ { 2 } 2 s ^ { 2 } 2 p ^ { 6 } 3 s ^ { 2 } 3 p ^ { 2 }$
C) $1 s ^ { 2 } 2 s ^ { 2 } 2 p ^ { 6 } 3 s ^ { 2 } 3 p ^ { 6 }$
D) $1 s ^ { 2 } 2 s ^ { 2 } 2 p ^ { 6 } 3 s ^ { 2 }$
E) $1 s ^ { 2 } 2 s ^ { 2 } 2 p ^ { 6 } 3 s ^ { 2 } 3 p ^ { 4 }$

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A) Transition metals
B) s-block elements
C) Main group nonmetals
D) Noble gases
E) Semiconductors

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A) Aufbau
B) Bohr
C) Planck
D) Hund
E) Pauli

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A) 5
B) 8
C) 7
D) 2
E) 33

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A)
B)
C)
D)
E)

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